import { mapGetters } from 'vuex'

export default {
	computed:{
		...mapGetters('m_cart',['total']),
	},
	watch:{
		total() {
			this.setBadge()
		}
	},
	onShow() {
		this.setBadge()
	},
	methods:{
		setBadge() {
			uni.setTabBarBadge({
				index:2,
				text:this.total + '',
			})
		}
	}
}